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3_Exhibit C_ADDENDUM ONLY
City of Pleasanton
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BOARDS AND COMMISSIONS
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PLANNING
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AGENDA PACKETS
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2020 - PRESENT
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2023
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02-22
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3_Exhibit C_ADDENDUM ONLY
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2/17/2023 2:21:14 PM
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CITY CLERK
CITY CLERK - TYPE
AGENDA REPORT
DOCUMENT DATE
12/22/2023
DESTRUCT DATE
15Y
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\BOARDS AND COMMISSIONS\PLANNING\AGENDA PACKETS\2020 - PRESENT\2023\02-22
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City of Pleasanton—Stoneridge Mall Residential Project <br />Section 15183 Checklist/15164 Addendum CEQA Checklist <br /> <br /> <br />FirstCarbon Solutions 143 <br />Https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480017/Consistency Checklist/21480017 Stoneridge Mall Residential Project Checklist <br />Addendum_Updated.docx <br />Environmental Issue <br />Area <br />Conclusion in <br />Prior EIR <br />Are there <br />Project <br />Impacts <br />Described in <br />15183? <br />Are there <br />Proposed <br />Changes <br />Involving New <br />or More <br />Severe <br />Impacts? <br />(15162) <br />Are there New <br />Circumstances <br />Involving New <br />or More <br />Severe <br />Impacts? <br />(15162) <br />Is there New <br />Information <br />Involving New <br />or More <br />Severe <br />Impacts? <br />(15162) <br />Mitigation <br />Measures <br />d) Expose persons to <br />or generate noise <br />levels in excess of <br />standards <br />established in the <br />local General Plan <br />or Municipal <br />Code? <br />Less than <br />significant <br />impact with <br />mitigation <br />incorporated <br />No No No No Prior EIR <br />MM 4.J-5a <br />and <br />MM 4.J-5c <br /> <br />Discussion <br />a) Substantial Noise Increase <br />Prior EIR Conclusions <br />The noise analyses relevant to this checklist question were addressed in the Prior EIR in Impact 4.J-1, <br />Impact 4.J-3, Impact 4.J-5, and Impact 4.J-6. The following provides a summary of the findings of the <br />relevant discussions. <br />Construction Noise Impacts <br />The Prior EIR found that construction activities for housing units developed on the potential sites for <br />rezoning would involve the use of heavy equipment in addition to small power tools, generators, and <br />hand tools that would be sources of noise. Each phase of construction would involve a different mix <br />of construction tools and/or sources, and resulting noise exposure would vary based on construction <br />location (relative to receptors), and type and quantity of construction equipment. The Prior EIR <br />concluded that individual project construction could exceed established thresholds and that <br />implementation of MM 4.J-1 would be required to reduce construction noise to a less than <br />significant level. <br />Traffic Noise Impacts <br />A potentially significant, project-related traffic noise level increase of 1 dB was identified along <br />Hopyard Road between West Las Positas Boulevard and Valley Avenue and Stoneridge Drive <br />between West Las Positas Boulevard and Santa Rita Road. The Prior EIR concluded that, in this case, <br />the project-related increase, although not in excess of the established City of Pleasanton General <br />Plan significance threshold (5+ dB), may increase traffic noise exposure to above 60 dB Ldn within <br />single-family residential backyards. However, MM 4.J-5a would mitigate impacts of the rezoning to <br />off-site sensitive receptors to a less than significant level.
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